An investigation is underway to determine the cause of the deaths, according to police
Feni Rail Station Manager Mahbubur Rahman told bdnews24.com some miscreants had dislodged fishplate clips, leading to the accident near the railway station in Khajuria area at 11:00pm Thursday night.
No casualties or injuries were reported in the accident.
Rail communication on the route remained paralysed until necessary repairs were completed around 10:15am Friday, East Zone Railway Traffic official Zakir Hossain said.
Rescue trains from Chittagong and Laksham stations had been rushed to the site, he said.
Chittagong Railway Station Manager Shamsul Alam also expressed apprehensions of sabotage by miscreants.